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Quicklime granules mainly consist of calcium oxide (CaO), obtained by calcining raw materials like limestone at high temperatures to remove carbon dioxide. They typically appear white or grayish-white with irregular shapes and varying particle sizes. Common particle sizes range from 1 to 10 millimeters, though finer or coarser granules also exist. Quicklime granules exhibit strong chemical activity, rapidly reacting with water, acids, carbon dioxide, etc., releasing heat or forming other compounds. For example, they react with water to form calcium hydroxide, accompanied by significant heat release.
Construction Industry:
Serve as a key component in producing building materials like cement, gypsum, and mortar.
The slaked lime emulsion formed by reacting with water acts as an adhesive for plastering, pointing, and other construction tasks.
Used in fireproof and heat-insulating layers, as well as sound-absorbing and noise-reducing layers for buildings.
Metallurgical Industry:
Function as desulfurizers, fluxes, and slag formers in steel smelting to improve molten steel purity and oxidation resistance.
Aid in separating and enriching target metal elements during hydrometallurgy of non-ferrous metals and metal extraction from fly ash.
Chemical Industry:
Act as strong alkaline catalysts in chemical production, such as in pulp making for the paper industry and manufacturing calcium salts, coke, and calcium oxide.
Used to neutralize acidic industrial wastewater and harmful substances like sulfur dioxide in tail gas.
Environmental Protection:
Raise the pH value of sewage in urban wastewater treatment plants to facilitate sludge digestion and precipitation.
Serve as agents for flue gas desulfurization and solid waste solidification in waste incineration plants and power plants.
Agriculture and Forestry:
Used as agricultural lime to neutralize soil acidity, improve soil physical and chemical properties, and promote crop growth.
Serve as the main raw material for disinfectants and fungicides in animal husbandry, forestry, and agriculture to prevent livestock diseases and control pests.
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